Question

in a current carrying conductor the motion of electron is: 1. accelerated 2.decelerated 3. uniform 4. drifting

Answer 1

If a conductor is not connected to any external power source, the motion of electrons in that conductor will be in random directions with no clear preferred  direction.

Once the conductor is connected to an external power supply, the emf of the battery will cause the electrons to prefer moving from the direction of the negative terminal to the direction of the positive terminal of the power supply.  Since the emf forces the electrons to have a preferred direction, which changes the speed and direction of electrons, what we can take away from this argument is that the motion of electrons in a current carrying conductor is accelerated.

Answer 2

Answer:

In a current-carrying conductor, the motion of electrons is drifting.

Explanation:

Numerous electrons make up a conductor.

Due to electrons, current travels via wire. Free electrons wander in a specific direction when there is currently flowing through a conductor. You can calculate drifting velocity using the formula which is,

$V_{d} =\frac{I}{neA}$

where $V_{d}$ is the drift velocity, n is the number of electrons per unit volume (number density), e is the charge on an electron and A is the area of the cross-section.

In this way, drift velocity can be calculated, and thus the electrons are drifted inside the conductor.

Therefore, In a current-carrying conductor, the motion of electrons is drifting.

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